Ferrimagnetism in epitaxially grown Mn2 VAl Heusler alloy investigated by means of soft x-ray magnetic circular dichroism

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Abstract

Epitaxially grown Mn2 VAl films were fabricated on MgO (001) single crystalline substrates by using a sputtering technique. The resulting Mn2 VAl films with substrate temperatures of Ts =500 and 600 °C showed an L 21 -ordered structure. The saturation magnetization was 150 emu/ cm3 at 300 K for a sample with T s =600 °C. Ferrimagnetic coupling between the Mn and V magnetic moments in the L 21 -Mn2 VAl film was clearly demonstrated by soft x-ray magnetic circular dichroism. In previous studies, this coupling was found only in polycrystalline bulk samples examined by nuclear magnetic resonance.

Original languageEnglish
Article number222503
JournalApplied Physics Letters
Volume95
Issue number22
DOIs
Publication statusPublished - 2009 Dec 18

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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